31253422351252 has 12 divisors (see below), whose sum is σ = 55352446815456. Its totient is φ = 15438437546840.

The previous prime is 31253422351231. The next prime is 31253422351259. The reversal of 31253422351252 is 25215322435213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31253422351259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47068406824 + ... + 47068407487.

It is an arithmetic number, because the mean of its divisors is an integer number (4612703901288).

Almost surely, 2^{31253422351252} is an apocalyptic number.

It is an amenable number.

31253422351252 is a deficient number, since it is larger than the sum of its proper divisors (24099024464204).

31253422351252 is a wasteful number, since it uses less digits than its factorization.

31253422351252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94136814398 (or 94136814396 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 31253422351252 its reverse (25215322435213), we get a palindrome (56468744786465).

The spelling of 31253422351252 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred twenty-two million, three hundred fifty-one thousand, two hundred fifty-two".